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    <meta charset="UTF-8">
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          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
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    <title>Document</title>
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<body>
<script>
    
    var findLongestWord = function (str) {
        return str.split(' ').sort(function (a, b) {
            return b.length - a.length;
        })[0].length;
    };

    alert(findLongestWord("The quick brown fox jumped over the lazy dog"));

</script>
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